Clayton homeowners paid property taxes equivalent to 1% of their home values in the fourth quarter of 2025, which was more than 1.1 times above the national average, according to BlockShopper.com.
Data show the median sales price for a home in Clayton during the fourth quarter of 2025 was $901,000, with 37 properties sold in that period. The city’s median tax bill for 2025 stood at $8,966, representing 1% of the median assessed value.
The average effective property tax rate in the U.S. reached 0.888% in 2024.
Within Contra Costa County, East Contra Costa (Unincorporated), Oakley (Unincorporated), and Crockett (Unincorporated) reported the highest effective property tax rates among local cities.
This analysis calculated the 2025 effective property tax rate using estimated inflation metrics and the county’s 2023 tax data. Actual effective rates may differ slightly in practice.
The national median U.S. home price continued to climb in 2025, approaching $447,000 by June. Redfin data show this marked a 1.13% increase from the year before. There was also a notable supply-demand gap, with 36% more sellers than buyers (508,715 more homes for sale). According to Redfin, a balanced market keeps the number of sellers and buyers within 10% of each other.
The table below presents a comparison of median effective property tax rates in East Contra Costa (Unincorporated) and other cities in Contra Costa County, using fourth-quarter 2025 sales and property tax data.
| City | Q4 2025 Sales | Q4 2025 Median Price | Median tax 2025 | Effective tax rate |
|---|---|---|---|---|
| East Contra Costa (Unincorporated) | 3 | $292,500 | $4,508 | 1.5% |
| Oakley (Unincorporated) | 2 | $402,500 | $4,741 | 1.2% |
| Crockett (Unincorporated) | 5 | $480,000 | $5,782 | 1.2% |
| Hercules | 30 | $654,500 | $7,448 | 1.1% |
| Brentwood | 124 | $720,000 | $7,725 | 1.1% |
| Oakley | 70 | $599,500 | $6,363 | 1.1% |
| Richmond | 197 | $625,000 | $6,477 | 1% |
| Discovery Bay (Unincorporated) | 34 | $842,000 | $8,542 | 1% |
| Clayton | 37 | $901,000 | $8,966 | 1% |
| Martinez (Unincorporated) | 20 | $566,000 | $5,544 | 1% |
| Orinda | 55 | $1,720,000 | $15,740 | 0.9% |
| Pleasant Hill | 77 | $767,000 | $7,209 | 0.9% |
| El Sobrante (Unincorporated) | 24 | $641,500 | $5,844 | 0.9% |
| Martinez | 81 | $729,000 | $6,338 | 0.9% |
| San Pablo | 27 | $540,000 | $4,858 | 0.9% |
| San Ramon | 121 | $1,312,500 | $11,558 | 0.9% |
| Antioch | 196 | $565,000 | $4,729 | 0.8% |
| El Cerrito | 54 | $1,052,500 | $8,705 | 0.8% |
| Pinole | 36 | $752,750 | $6,271 | 0.8% |
| Richmond (Unincorporated) | 18 | $723,500 | $5,979 | 0.8% |
| San Pablo (Unincorporated) | 26 | $590,000 | $4,998 | 0.8% |
| Danville (Unincorporated) | 40 | $2,112,500 | $16,899 | 0.8% |
| Bay Point (Unincorporated) | 26 | $480,000 | $3,994 | 0.8% |
| Concord (Unincorporated) | 5 | $709,500 | $5,897 | 0.8% |
| Rodeo (Unincorporated) | 14 | $694,250 | $5,788 | 0.8% |
| Concord | 283 | $700,000 | $5,505 | 0.8% |
| Pittsburg | 75 | $535,000 | $4,106 | 0.8% |
| Alamo (Unincorporated) | 41 | $2,250,000 | $17,266 | 0.8% |
| Kensington | 16 | $1,562,500 | $11,931 | 0.8% |
| San Ramon (Unincorporated) | 2 | $3,650,000 | $28,616 | 0.8% |
| Lafayette | 61 | $1,960,000 | $13,617 | 0.7% |
| Pleasant Hill (Unincorporated) | 3 | $1,450,000 | $10,487 | 0.7% |
| Danville | 115 | $1,700,000 | $11,598 | 0.7% |
| Moraga | 31 | $1,700,000 | $11,308 | 0.7% |
| Walnut Creek | 142 | $1,132,500 | $7,781 | 0.7% |
| Walnut Creek (Unincorporated) | 53 | $1,305,000 | $8,820 | 0.7% |
| Lafayette (Unincorporated) | 8 | $2,115,000 | $13,488 | 0.6% |
| Brentwood (Unincorporated) | 3 | $900,000 | $4,215 | 0.5% |
Information in this article is sourced from BlockShopper.com. View the source data here.